Pump cartridge



FIG. 1 is a perspective view of a pump cartridge embodying our design.

FIG. 2 is a front side elevational view thereof.

FIG. 3 is a rear side elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a right side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are included for the purpose of illustrating portions of the pump cartridge that form no part of the claimed design. 

CLAIM The ornamental design for a pump cartridge, as shown. 